Use env variable to specify Go version in CI

Author: eikendev

.github/workflows/documentation.yml

@@ -6,6 +6,7 @@ on:
       - 'v[0-9]+.[0-9]+.[0-9]+'
 
 env:
+  GO_VERSION: '1.21.1'
   PB_BUILD_VERSION: unknown # Needed for using Make targets.
   SSH_AUTH_SOCK: /tmp/ssh_agent.sock
 
@@ -21,7 +22,7 @@ jobs:
       - name: Export GOBIN
         uses: actions/setup-go@v4
         with:
-          go-version: '1.21.1'
+          go-version: '${{env.GO_VERSION}}'
 
       - name: Install dependencies
         run: make setup

.github/workflows/publish.yml

@@ -5,6 +5,9 @@ on:
     tags:
       - 'v[0-9]+.[0-9]+.[0-9]+'
 
+env:
+  GO_VERSION: '1.21.1'
+
 jobs:
   test:
     name: Test
@@ -19,7 +22,7 @@ jobs:
       - name: Export GOBIN
         uses: actions/setup-go@v4
         with:
-          go-version: '1.21.1'
+          go-version: '${{env.GO_VERSION}}'
 
       - name: Install dependencies
         run: make setup
@@ -86,7 +89,7 @@ jobs:
       - name: Export GOBIN
         uses: actions/setup-go@v4
         with:
-          go-version: '1.20.5'
+          go-version: '${{env.GO_VERSION}}'
 
       - name: Run GoReleaser
         uses: goreleaser/goreleaser-action@v4

.github/workflows/test.yml

@@ -3,13 +3,13 @@ name: Test
 on:
   push:
     branches:
-      - '**'
-    tags:
-      - '**'
-      - '!v[0-9]+.[0-9]+.[0-9]+'
+      - 'main'
   pull_request:
+    branches:
+      - 'main'
 
 env:
+  GO_VERSION: '1.21.1'
   PB_BUILD_VERSION: pipeline-${{ github.sha }}
 
 jobs:
@@ -24,7 +24,7 @@ jobs:
       - name: Export GOBIN
         uses: actions/setup-go@v4
         with:
-          go-version: '1.21.1'
+          go-version: '${{env.GO_VERSION}}'
 
       - name: Install dependencies
         run: make setup